Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 2.30
Milk (kg) -111.00 -0.014 1.55
Fat (kg) 1.22 -0.375 -0.46
Prot (kg) -2.73 -0.441 1.20
Fertility Sub Index 3.68
Calving Interval (days) -1.23 -1.459 1.79
Survival (%) 1.69 1.117 1.89
Calving Sub Index 0.22
Gestation Length (days) -0.24 -0.919 0.22
Beef Sub Index 12.15
Carcass Weight (kg) -28.50 -0.528 15.03
Age of Slaughter (days) 6.67 -0.432 -2.88
Maintenance Sub Index Maint. Sub Index 21.95
Live WT (kg) -71.60 -0.307 21.95
Total Carbon Sub Index 40.31

* Based on an €80/tonne carbon price